That guarantees you two Prize Cards, and can keep up pace with any opposing deck for a 2-2-2 Prize Card strategy (often the quickest race to drawing all six Prize Cards)
Negate its effects, and if you do, its name becomes "Fairy Prince"
Surgical Extraction is something that might allow them to steal games, its possible if you see that you should consider adding Sai, Master Thopterist
Including Tawnos's Coffin, Cold Storage, and other colorless blink is a good way to go in this deck
GX episode 33: "Field of Screams, Part 3", Chazz referred to this card as Camula's "killer card", after the latter Summoned it
Of the trio, Entei V is the weakest in the Metagame, but with the beauty that the three have on the cards, with the nostalgia factor (in the same way as the birds of Kanto), it is not very difficult for them to be framed in this classification or notoriety